diff --git a/tox.ini b/tox.ini
index 2871a25..3b3e670 100644
--- a/tox.ini
+++ b/tox.ini
@@ -71,8 +71,6 @@ set_env =
 package =
     !cov: wheel
     cov: editable
-allowlist_externals =
-    echo
 commands_pre =
     oldestdeps: minimum_dependencies stpipe --filename requirements-min.txt
 # this package doesn't depend on numpy directly but the old versions of dependencies